| /* |
| * Copyright (c) 2008-2010 Wayne Meissner |
| * |
| * Copyright (c) 2008-2013, Ruby FFI project contributors |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Ruby FFI project nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef _MSC_VER |
| # include <sys/param.h> |
| #endif |
| # include <sys/types.h> |
| #ifndef _MSC_VER |
| # include <stdint.h> |
| # include <stdbool.h> |
| #else |
| # include "win32/stdint.h" |
| # include "win32/stdbool.h" |
| #endif |
| #include <ruby.h> |
| #include <ctype.h> |
| #include "rbffi_endian.h" |
| #include "Platform.h" |
| |
| #if defined(__GNU__) || defined(__GLIBC__) |
| # include <gnu/lib-names.h> |
| #endif |
| |
| static VALUE PlatformModule = Qnil; |
| |
| /* |
| * Determine the cpu type at compile time - useful for MacOSX where the the |
| * system installed ruby incorrectly reports 'host_cpu' as 'powerpc' when running |
| * on intel. |
| */ |
| #if defined(__x86_64__) || defined(__x86_64) || defined(__amd64) || defined(_M_X64) || defined(_M_AMD64) |
| # define CPU "x86_64" |
| |
| #elif defined(__i386__) || defined(__i386) || defined(_M_IX86) |
| # define CPU "i386" |
| |
| #elif defined(__ppc64__) || defined(__powerpc64__) || defined(_M_PPC) |
| # define CPU "ppc64" |
| |
| #elif defined(__ppc__) || defined(__powerpc__) || defined(__powerpc) |
| # define CPU "ppc" |
| |
| /* Need to check for __sparcv9 first, because __sparc will be defined either way. */ |
| #elif defined(__sparcv9__) || defined(__sparcv9) |
| # define CPU "sparcv9" |
| |
| #elif defined(__sparc__) || defined(__sparc) |
| # define CPU "sparc" |
| |
| #elif defined(__arm__) || defined(__arm) |
| # define CPU "arm" |
| |
| #elif defined(__mips__) || defined(__mips) |
| # define CPU "mips" |
| |
| #elif defined(__s390__) |
| # define CPU "s390" |
| |
| #else |
| # define CPU "unknown" |
| #endif |
| |
| static void |
| export_primitive_types(VALUE module) |
| { |
| #define S(name, T) do { \ |
| typedef struct { char c; T v; } s; \ |
| rb_define_const(module, #name "_ALIGN", INT2NUM((sizeof(s) - sizeof(T)) * 8)); \ |
| rb_define_const(module, #name "_SIZE", INT2NUM(sizeof(T)* 8)); \ |
| } while(0) |
| S(INT8, char); |
| S(INT16, short); |
| S(INT32, int); |
| S(INT64, long long); |
| S(LONG, long); |
| S(FLOAT, float); |
| S(DOUBLE, double); |
| S(ADDRESS, void*); |
| #undef S |
| } |
| |
| void |
| rbffi_Platform_Init(VALUE moduleFFI) |
| { |
| PlatformModule = rb_define_module_under(moduleFFI, "Platform"); |
| rb_define_const(PlatformModule, "BYTE_ORDER", INT2FIX(BYTE_ORDER)); |
| rb_define_const(PlatformModule, "LITTLE_ENDIAN", INT2FIX(LITTLE_ENDIAN)); |
| rb_define_const(PlatformModule, "BIG_ENDIAN", INT2FIX(BIG_ENDIAN)); |
| rb_define_const(PlatformModule, "CPU", rb_str_new2(CPU)); |
| #if defined(__GNU__) || defined(__GLIBC__) |
| rb_define_const(PlatformModule, "GNU_LIBC", rb_str_new2(LIBC_SO)); |
| #endif |
| export_primitive_types(PlatformModule); |
| } |
| |